# Struct cargo::core::compiler::BuildConfig

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    pub struct BuildConfig {Show 14 fields
        pub requested_kinds: Vec<CompileKind>,
        pub jobs: u32,
        pub keep_going: bool,
        pub requested_profile: InternedString,
        pub mode: CompileMode,
        pub message_format: MessageFormat,
        pub force_rebuild: bool,
        pub build_plan: bool,
        pub unit_graph: bool,
        pub primary_unit_rustc: Option<ProcessBuilder>,
        pub rustfix_diagnostic_server: Rc<RefCell<Option<RustfixDiagnosticServer>>>,
        pub export_dir: Option<PathBuf>,
        pub future_incompat_report: bool,
        pub timing_outputs: Vec<TimingOutput>,
    }

Expand description

Configuration information for a rustc build.

## Fields§

§`requested_kinds: Vec<CompileKind>`

The requested kind of compilation for this session

§`jobs: u32`

Number of rustc jobs to run in parallel.

§`keep_going: bool`

Do not abort the build as soon as there is an error.

§`requested_profile: InternedString`

Build profile

§`mode: CompileMode`

The mode we are compiling in.

§`message_format: MessageFormat`

`true` to print stdout in JSON format (for machine reading).

§`force_rebuild: bool`

Force Cargo to do a full rebuild and treat each target as changed.

§`build_plan: bool`

Output a build plan to stdout instead of actually compiling.

§`unit_graph: bool`

Output the unit graph to stdout instead of actually compiling.

§`primary_unit_rustc: Option<ProcessBuilder>`

An optional override of the rustc process for primary units

§`rustfix_diagnostic_server: Rc<RefCell<Option<RustfixDiagnosticServer>>>`

A thread used by `cargo fix` to receive messages on a socket regarding the success/failure of applying fixes.

§`export_dir: Option<PathBuf>`

The directory to copy final artifacts to. Note that even if `out_dir` is set, a copy of artifacts still could be found a `target/(debug\release)` as usual.

§`future_incompat_report: bool`

`true` to output a future incompatibility report at the end of the build

§`timing_outputs: Vec<TimingOutput>`

Which kinds of build timings to output (empty if none).

## Implementations§

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### impl BuildConfig

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#### pub fn new( config: &Config, jobs: Option<JobsConfig>, keep_going: bool, requested_targets: &[String], mode: CompileMode ) -> CargoResult<BuildConfig>

Parses all config files to learn about build configuration. Currently configured options are:

- `build.jobs`
- `build.target`
- `target.$target.ar`
- `target.$target.linker`
- `target.$target.libfoo.metadata`

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#### pub fn emit_json(&self) -> bool

Whether or not the user wants JSON output. Whether or not rustc actually uses JSON is decided in `add_error_format`.

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#### pub fn test(&self) -> bool

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#### pub fn single_requested_kind(&self) -> CargoResult<CompileKind>

## Trait Implementations§

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### impl Clone for BuildConfig

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#### fn clone(&self) -> BuildConfig

Returns a copy of the value. Read more
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#### fn clone_from(&mut self, source: &Self)

Performs copy-assignment from `source`. Read more
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### impl Debug for BuildConfig

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#### fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

## Auto Trait Implementations§

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### impl !RefUnwindSafe for BuildConfig

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### impl !Send for BuildConfig

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### impl !Sync for BuildConfig

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### impl Unpin for BuildConfig

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### impl !UnwindSafe for BuildConfig

## Blanket Implementations§

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### impl<T> Any for T
where T: 'static + ?Sized,

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#### fn type_id(&self) -> TypeId

Gets the `TypeId` of `self`. Read more
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### impl<T> Borrow<T> for T
where T: ?Sized,

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#### fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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### impl<T> BorrowMut<T> for T
where T: ?Sized,

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#### fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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### impl<T> From<T> for T

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#### fn from(t: T) -> T

Returns the argument unchanged.

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### impl<T> Instrument for T

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#### fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [`Span`], returning an `Instrumented` wrapper. Read more
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#### fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current `Span`, returning an `Instrumented` wrapper. Read more
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### impl<T, U> Into<U> for T
where U: From<T>,

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#### fn into(self) -> U

Calls `U::from(self)`.

That is, this conversion is whatever the implementation of `From<T> for U` chooses to do.

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### impl<T> Pointable for T

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#### const ALIGN: usize = _

The alignment of pointer.
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#### type Init = T

The type for initializers.
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#### unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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#### unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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#### unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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#### unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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### impl<T> Same for T

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#### type Output = T

Should always be `Self`
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### impl<T> ToOwned for T
where T: Clone,

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#### type Owned = T

The resulting type after obtaining ownership.
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#### fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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#### fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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### impl<T, U> TryFrom<U> for T
where U: Into<T>,

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#### type Error = Infallible

The type returned in the event of a conversion error.
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#### fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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### impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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#### type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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#### fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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### impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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#### fn vzip(self) -> V

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### impl<T> WithSubscriber for T

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#### fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided `Subscriber` to this type, returning a [`WithDispatch`] wrapper. Read more
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#### fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default `Subscriber` to this type, returning a [`WithDispatch`] wrapper. Read more

## Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain `repr(...)` attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 272 bytes